4Nikolaou VS,Papathanasopoulos A,Giannoudis PV.What's newin the management of proximal femoral fractures[J].Injury,2008,39:12:1309-1318.
5Liberati A,Altman DG,Tetzlaff J,et al.The PRISMA statementfor reporting systematic reviews and meta-analyses of studies thatevaluate health care interventions:explanation and elaboration[J].Ann Intern Med,2009,151:65-94.
6Julian PT,Higgins SG.Cochrane Handbook for systematic reviewsof interventions 5.1.0[Updated March 2011] :the CochraneCollaboration,2011.
7Xu YZ,Geng DC,Mao HQ,et al.A comparison of the proximalfemoral nail antirotation device and dynamic hip screw in thetreatment of unstable pertrochanteric fracture[J].J Int Med Res,2010,38:1266-1275.
8Garg B,Marimuthu K,Kumar V,et al.Outcome of shortproximal femoral nail antirotation and dynamic hip screw forfixation of unstable trochanteric fractures:a randomisedprospective comparative trial[J].Hip International,2011,21:531-536.
9Stem R,Lubbeke A,Suva D,et al.Prospective randomised studycomparing screw versus helical blade in the treatment of low-energytrochanteric fractures[J].Int Orthop,2011,35:1855-1861.
10Zou J,Xu Y,Yang H.A comparison of proximal femoral nailantirotation and dynamic hip screw devices in trochanteric fractures[J].J Int Med Res,2009,37:1057-1064.